src/include/device/path.h

   1 #ifndef DEVICE_PATH_H
   2 #define DEVICE_PATH_H
   3
   4 enum device_path_type {
   5         DEVICE_PATH_NONE = 0,
   6         DEVICE_PATH_PCI,
   7         DEVICE_PATH_PNP,
   8         DEVICE_PATH_I2C,
   9 };
  10
  11 struct pci_path
  12 {
  13         unsigned devfn;
  14 };
  15
  16 struct pnp_path
  17 {
  18         unsigned port;
  19         unsigned device;
  20 };
  21
  22 struct i2c_path
  23 {
  24         unsigned device;
  25 };
  26
  27 struct device_path {
  28         enum device_path_type type;
  29         union {
  30                 struct pci_path pci;
  31                 struct pnp_path pnp;
  32                 struct i2c_path i2c;
  33         } u;
  34 };
  35
  36
  37 #define DEVICE_PATH_MAX 30
  38
  39 extern int path_eq(struct device_path *path1, struct device_path *path2);
  40
  41 #endif /* DEVICE_PATH_H */